void mischen(){
Random r = new Random();
boolean[] abhaken = new boolean[52];
int[] kartendeck = new int[52];
for(int i=0;i<52;i++){
abhaken[i] = true;
}
for(int e=0;e<52;e++){
while(true){
int k = r.nextInt(52);
if(abhaken[k] == true){
abhaken[k] = false;
kartendeck[e] = k;
break;
}
else{
continue;
}
}
}
for(int s=0;s < 52;s++){
System.out.println(kartendeck[s]);
}
}
Random r = new Random();
int[] kartendeck = new int[52];
for(int i=kartendeck.length-1;i>=0;i--)
kartendeck[i] = i;
for (int i=kartendeck.length; i>1; i--) {
int inx = rnd.nextInt(i);
int tmp = kartendeck[inx];
kartendeck[inx] = kartendeck[i-1];
kartendeck[i-1] = tmp;
}